Logan & Lincoln to Henry Eddy, 23 June 1842 (Congressional Digital Edition)
Abraham Lincoln to Simeon Ryder, 16 February 1844 (Congressional Digital Edition)
Abraham Lincoln to Archibald Williams, 1 March 1845 (Congressional Digital Edition)
Abraham Lincoln to Samuel D. Marshall, 20 June 1845 (Congressional Digital Edition)
Plea and Replication in Clark v. Harrison, [2 May 1848] (Congressional Digital Edition)